Most lists at this budget are padded with things nobody wants, so this one is sorted by price band and each pick carries the reason it works and the person it does not work for. Nothing here is over a thousand rupees.
One thing worth saying before the list: at this price the fit of the choice matters more than the size of the spend. A 199-rupee beard oil for a man with a beard lands better than an 899-rupee shirt in the wrong collar size. If you are not sure of his sizes, stay in the grooming and fragrance bands and you cannot go far wrong.
If you would rather make something
Handmade is one of the most searched versions of this question, and it deserves an honest answer rather than being skipped because there is nothing to sell you.
What works: a letter, written properly, on paper. A folded set of notes he opens on bad days. A printed photo in a cheap frame, because almost nobody prints photographs any more and that is exactly why it lands. What tends not to work: anything that needs him to maintain it, and anything whose value depends on him understanding how long it took.
The strongest version is usually one handmade thing plus one small bought thing. The handmade part carries the meaning, the bought part gives him something to use, and together they cost less than a single bigger gift.
If he already has everything
He does not. He has everything in the categories he enjoys buying, which is a much smaller list than it looks.
Go at the gap instead. The man with thirty shirts usually owns no sunscreen. The man with a watch collection has one belt. The man who talks about fragrance all day has never replaced the wallet he has carried since college. Consumables are also safer here than objects, because he cannot already own the next bottle of something.
If it is today
Quick-commerce apps carry chocolate, flowers and some fragrance within the hour in most Indian cities, and Amazon reaches many pin codes same day if you order early enough. Check the delivery estimate before you commit rather than after.
If nothing will arrive in time, a written note with a screenshot of what is coming beats a rushed bad choice. The wrong object sits in a drawer for years; a gift that arrives two days late is forgotten in a week.
Where to look next
If your budget stretches further, birthday gifts for men under ₹5,000 covers the same ground with more room. For a specific category, there is perfume for men in India, grooming kits and watches. And if you are buying clothing, the fit rules is worth five minutes before you order a size.